fix: no longer required server to be initialized

.changeset/twelve-avocados-give.md

@@ -0,0 +1,5 @@
+---
+'elysia-rate-limit': patch
+---
+
+plugin no longer server to be initialized

src/@types/Options.ts

@@ -16,15 +16,17 @@ export interface Options {
   // message response when rate-limit reached (Default: rate-limit reached)
   responseMessage: any
 
-  // should rate limit being counted when request result is failed (Default: false)
+  // should the rate limit be counted when a request result is failed (Default: false)
   countFailedRequest: boolean
 
   // key generator function to categorize client for rate-limiting
-  generator(request: Request, server: Server): MaybePromise<string>
+  generator(request: Request, server: Server | null): MaybePromise<string>
 
   // context for storing requests count
   context: Context
 
-  // exposed functions for writing custom script to skip counting i.e. not counting rate limit for some requests (Default: always return false)
+  // exposed functions for writing a custom script to skip counting i.e.,
+  // not counting rate limit for some requests
+  // (Default: always return false)
   skip: (req: Request, key?: string) => boolean | Promise<boolean>
 }

src/services/defaultKeyGenerator.ts

@@ -2,15 +2,17 @@ import type { Server } from 'bun'
 
 export const defaultKeyGenerator = (
   request: Request,
-  server: Server
+  server: Server | null
 ): string => {
-  const clientAddress = server.requestIP(request)?.address
+  const clientAddress = server?.requestIP(request)?.address
 
   if (clientAddress === undefined) {
     let reason: string
 
     if (request === undefined)
       reason = 'request is undefined'
+    else if (server === null)
+      reason = 'server is null'
     else if (server.requestIP(request) === null)
       reason = '.requestIP() returns null'
     else if (server.requestIP(request)?.address === undefined)

src/services/plugin.ts

@@ -20,9 +20,6 @@ export const plugin = (userOptions?: Partial<Options>) => {
     app.onBeforeHandle({ as: 'global' }, async ({ set, request }) => {
       let clientKey: string | undefined
 
-      if (app.server === null)
-        throw new Error('Elysia is not initialized yet. Please call .listen() first.')
-
       /**
        * if a skip option has two parameters,
        * then we will generate clientKey ahead of time.
@@ -72,9 +69,6 @@ export const plugin = (userOptions?: Partial<Options>) => {
     })
 
     app.onError(async ({ request }) => {
-      if (app.server === null)
-        throw new Error('Elysia is not initialized yet. Please call .listen() first.')
-
       if (!options.countFailedRequest) {
         const clientKey = await options.generator(request, app.server)
         await options.context.decrement(clientKey)